看见
Compiler Warnings That Are Off by Default
-
C4287(级别3)“运算符”:无符号/负常量不匹配
-
C4365(级别4)“操作”:从“type\u 1”转换为“type\u 2”,有符号/无符号不匹配
-
C4388(级别4)有符号/无符号不匹配
-
C4287(级别3)“运算符”:无符号/负常量不匹配
还有其他一些与截断有关。
通常,您可以通过打开所有警告来使用这些
/Wall
然后根据您的代码建立一个抑制列表,因为很多抑制都非常嘈杂。
例如,在
DirectX Tool Kit for DX11
,我使用
/墙壁
在我的
pch.h
:
// VS 2013 related Off by default warnings
#pragma warning(disable : 4619 4616 4350 4351 4472 4640 5038)
// C4619/4616 #pragma warning warnings
// C4350 behavior change
// C4351 behavior change; warning removed in later versions
// C4472 'X' is a native enum: add an access specifier (private/public) to declare a WinRT enum
// C4640 construction of local static object is not thread-safe
// C5038 can't use strictly correct initialization order due to Dev12 initialization limitations
// Off by default warnings
#pragma warning(disable : 4061 4265 4365 4571 4623 4625 4626 4628 4668 4710 4711 4746 4774 4820 4987 5026 5027 5031 5032 5039)
// C4061 enumerator 'X' in switch of enum 'X' is not explicitly handled by a case label
// C4265 class has virtual functions, but destructor is not virtual
// C4365 signed/unsigned mismatch
// C4571 behavior change
// C4623 default constructor was implicitly defined as deleted
// C4625 copy constructor was implicitly defined as deleted
// C4626 assignment operator was implicitly defined as deleted
// C4628 digraphs not supported
// C4668 not defined as a preprocessor macro
// C4710 function not inlined
// C4711 selected for automatic inline expansion
// C4746 volatile access of '<expression>' is subject to /volatile:<iso|ms> setting
// C4774 format string expected in argument 3 is not a string literal
// C4820 padding added after data member
// C4987 nonstandard extension used
// C5026 move constructor was implicitly defined as deleted
// C5027 move assignment operator was implicitly defined as deleted
// C5031/5032 push/pop mismatches in windows headers
// C5039 pointer or reference to potentially throwing function passed to extern C function under - EHc
// Windows 8.1 SDK related Off by default warnings
#pragma warning(disable : 4471 4917 4986 5029)
// C4471 forward declaration of an unscoped enumeration must have an underlying type
// C4917 a GUID can only be associated with a class, interface or namespace
// C4986 exception specification does not match previous declaration
// C5029 nonstandard extension used
随着时间的推移,它确实需要维护成本来跟上编译器的变化,这就是为什么我有评论来提醒我每一个都是为了什么。
